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== RegionDescriptor ==
== RegionDescriptor ==
Size : 0x10 bytes
Size: 0x10-bytes pre-[[11.0.0-33|11.0.0-X]], 0x20-bytes starting with [[11.0.0-33|11.0.0-X]].
{| class="wikitable" border="1"
{| class="wikitable" border="1"
| u32
| u32
| Region size
| Region size
|-
| 0x10
| 0x10-byte block.
| This is the "key" used with the kernel heap MAC implemented with [[11.0.0-33|11.0.0-X]].
|}
|}
== FCRAM Region Descriptor ==
== FCRAM Region Descriptor ==
Size : 0x50 bytes
Size: 0x50-bytes pre-[[11.0.0-33|11.0.0-X]], 0x80-bytes starting with [[11.0.0-33|11.0.0-X]].
X = RegionDescriptor_size*3.
{| class="wikitable" border="1"
{| class="wikitable" border="1"
| RegionDescriptor for app memory
| RegionDescriptor for app memory
|-
|-
| 0x10
| RegionDescriptor_size*1
| RegionDescriptor
| RegionDescriptor
| RegionDescriptor for sys memory
| RegionDescriptor for sys memory
|-
|-
| 0x20
| RegionDescriptor_size*2
| RegionDescriptor
| RegionDescriptor
| RegionDescriptor for base memory
| RegionDescriptor for base memory
|-
|-
| 0x30
| X + 0x0
| u32
| u32
| Ptr to start of FCRAM region descriptor
| Ptr to start of FCRAM region descriptor
|-
|-
| 0x34
| X + 0x4
| u32
| u32
| FCRAM start
| FCRAM start
|-
|-
| 0x38
| X + 0x8
| u32
| u32
| FCRAM size in pages
| FCRAM size in pages
|-
|-
| 0x3C
| X + 0xC
| u32
| u32
| Base memory start in FCRAM
| Base memory start in FCRAM
|-
|-
| 0x40
| X + 0x10
| u32
| u32
| Count of physical FCRAM used by the kernel, in bytes. (used by [[SVC|svcGetSystemInfo]])
| Count of physical FCRAM used by the kernel, in bytes. (used by [[SVC|svcGetSystemInfo]])
|-
|-
| 0x44
| X + 0x14
| u32
| u32
| ?
| ?
|-
|-
| 0x48
| X + 0x18
| KThread*
| KThread*
| Thread operating on region data
| Thread operating on region data
|-
|-
| 0x4C
| X + 0x1C
| s16
| s16
| Error info for thread listed above
| Error info for thread listed above
|-
|-
| 0x4E
| X + 0x1E
| u16
| u16
| Alignment
| Alignment